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BACKGROUND: Evidence suggests that cannabis may be a causal factor for development of schizophrenia. We aimed to investigate whether use of antipsychotic medication, benzodiazepines, and psychiatric service use differs among patients with schizophrenia depending on whether psychosis was precipitated by a diagnosis of cannabis use disorder (CUD). METHODS: We utilized the nationwide Danish registries to identify all individuals with an incident diagnosis of schizophrenia from 1995 to 2016. We also collected information on whether first CUD diagnosis preceded schizophrenia and thus defined a group of potentially cannabis-related schizophrenia. We compared the cannabis-related schizophrenia group both with all non-cannabis-related patients with schizophrenia and with non-cannabis-related patients with schizophrenia that were propensity-score matched to cases using a range of potentially confounding variables. RESULTS: We included 35 714 people with incident schizophrenia, including 4116 (11.5%) that were cannabis-related. In the unmatched-comparison analyses, there were no clear differences over time in use of antipsychotics and benzodiazepines related to whether the diagnosis of schizophrenia was cannabis-related. After propensity-score matching, use of antipsychotics and benzodiazepines was significantly lower among cannabis-related cases of schizophrenia. In the unmatched comparison, the cannabis-related group had significantly more days admitted than the non-cannabis-related group. This was markedly attenuated after propensity-score matching. CONCLUSIONS: Our findings indicate the importance of considering cannabis-related cases of schizophrenia as a potentially distinct disorder in terms of prognosis. It is unclear, however, if these differences are due to different biological types of schizophrenia being compared or if they rather indicate behavioral differences such as reduced adherence and treatment-seeking.
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BACKGROUND: Psychiatric disorders and homelessness are related, but temporal associations are unclear. We aimed to explore the overlap between hospital-based psychiatric disorders and sheltered homelessness. METHODS: This population-based cohort study was conducted using the Danish registers e.g., the Danish Homeless Register and the Danish National Patient Register. The study cohort included all individuals aged 15 years or older, living in Denmark at least one day during 2002-2021 (born 1984-2006). First psychiatric diagnosis was used to define psychiatric disorder and first homeless shelter contact to define homelessness. Adjusted incidence rate ratios (IRRs) and cumulative incidences were estimated. RESULTS: Among 1 530 325 individuals accounting for 16 787 562 person-years at risk aged 15-38 years, 11 433 (0.8%) had at least one homeless shelter contact. Among 1 406 410 individuals accounting for 14 131 060 person-years at risk, 210 730 had at least one psychiatric disorder. People with any psychiatric disorder had increased risk of sheltered homelessness relative to individuals with no psychiatric disorder [IRR 9.2, 95% confidence interval (CI) 8.8-9.6]. Ten years after first psychiatric disorder, 3.0% (95% CI 2.9-3.1) had at least one homeless shelter contact. Individuals experiencing homelessness had increased risk of any psychiatric disorder compared to individuals with no homeless shelter contact (IRR 7.0, 95% CI 6.7-7.4). Ten years after first homeless shelter contact, 47.1% (45.3-48.0) had received a hospital-based psychiatric diagnosis. CONCLUSION: Strong bidirectional associations between psychiatric disorders and homelessness were identified. Health and social care professionals should be aware of and address these high risks of accumulated psychiatric and social problems.
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Pessoas Mal Alojadas , Transtornos Mentais , Humanos , Estudos de Coortes , Sistema de Registros , Transtornos Mentais/epidemiologia , Problemas SociaisRESUMO
BACKGROUND: Cognitive deficits are a core feature of schizophrenia and are closely associated with poor functional outcomes. It remains unclear if cognitive deficits progress over time or remain stable. Determining patients at increased risk of progressive worsening might help targeted neurocognitive remediation approaches. METHODS: This 20-year follow-up study examined neurocognitive outcomes of 156 participants from the OPUS I trial. Neurocognition was assessed using the brief assessment of cognition in schizophrenia at the 10- and 20-year follow-up, allowing us to examine changes in neurocognition over ten years. RESULTS: We found that 30.5% of patients had a declining course of neurocognition, 49.2% had a stable course of neurocognition and 20.3% experienced improvements in neurocognition. Good cognitive functioning at the 20-year follow-up was significantly associated with higher levels of social functioning (B 6.86, CI 4.71-9.02, p < 0.001) while increasing experiential negative symptoms were significantly correlated to cognitive worsening (PC-0.231, p = 0.029). Younger age at inclusion (B: 0.23 per 10-years, CI 0.00-0.045, p = 0.047) and low level of education (below ten years) (mean difference: -0.346, CI -0.616 to -0.076, p = 0.012) predicted declining neurocognition. CONCLUSION: Our findings support the notion of different schizophrenia subtypes with varying trajectories. Neurocognitive impairment at the 20-year follow-up was associated with other poor outcomes, highlighting the importance of treatments aimed at improving neurocognition in patients with schizophrenia spectrum disorders.
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BACKGROUND: Studies investigating parenthood and how it affects long-term outcomes are lacking among individuals with schizophrenia spectrum disorders. This study aimed to examine the life of participants 20 years after their first diagnosis with a special focus on parenthood, clinical illness course, and family-related outcomes. METHODS: Among 578 individuals diagnosed with first-episode schizophrenia spectrum disorder between 1998 and 2000, a sample of 174 participants was reassessed at the 20-year follow-up. We compared symptom severity, remission, clinical recovery, and global functioning between 75 parents and 99 non-parents. Also, family functioning scored on the family assessment device, and the children's mental health was reported. We collected longitudinal data on psychiatric admission, supported housing, and work status via the Danish registers. RESULTS: Participants with offspring had significantly lower psychotic (mean (s.d.) of 0.89 (1.46) v. 1.37 (1.44), p = 0.031) negative (mean [s.d.] of 1.13 [1.16] v. 1.91 [1.07], p < 0.001) and disorganized symptom scores (mean [s.d.] of 0.46 [0.80] v. 0.85 [0.95], p = 0.005) and more were in remission (59.5% v. 22.4%, p < 0.001) and in clinical recovery (29.7% v. 11.1%, p = 0.002) compared to non-parents. When investigating global functioning over 20 years, individuals becoming parents after their first diagnosis scored higher than individuals becoming parents before their first diagnosis and non-parents. Regarding family-related outcomes, 28.6% reported unhealthy family functioning, and 10% of the children experienced daily life difficulties. CONCLUSIONS: Overall, parents have more favorable long-term outcomes than non-parents. Still, parents experience possible challenges regarding family functioning, and a minority of their children face difficulties in daily life.
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OBJECTIVE: Traumatic brain injuries (TBI), irrespective of severity, may have long-term social implications. This study explores the relationships between TBI severity and outcomes related to work stability, divorce, and academic achievement. METHODS: Using a Danish nationwide sample of persons with and without TBI, we employed case-control and longitudinal cohort designs. The case-control design utilized individuals aged 18 to 60 years and examined work stability. Each case, employed at time of TBI, was compared with 10 matched controls. The cohort design utilized individuals alive from 1980 to 2016 with and without TBI and assessed the likelihood of 1) divorce and 2) higher-level education. TBI exposures included concussion, skull fractures, or confirmed TBI. RESULTS: TBI cases exhibited higher odds ratios (OR) for work instability at all follow-ups compared to controls. Increased TBI severity was associated with a higher risk of work instability at 2-year follow-up (concussion: OR = 1.83; skull fracture: OR = 2.22; confirmed TBI: OR = 4.55), and with a higher risk of not working at 10-year follow-up (confirmed TBI: OR = 2.82; concussion: OR = 1.63). The divorce incidence rate ratio (IRR) was elevated in individuals with TBI (males: IRR = 1.52; females: IRR = 1.48) compared to those without TBI. Individuals with childhood TBI had reduced chances of attaining high school degree or higher (males: IRR = 0.79; females: IRR = 0.85) compared to those without TBI. CONCLUSION: TBI is associated with an increased long-term risk of social consequences, including work instability, divorce, and diminished chances of higher education, even in cases with concussion.
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Sucesso Acadêmico , Lesões Encefálicas Traumáticas , Divórcio , Humanos , Feminino , Masculino , Divórcio/estatística & dados numéricos , Lesões Encefálicas Traumáticas/epidemiologia , Adulto , Dinamarca/epidemiologia , Estudos de Casos e Controles , Pessoa de Meia-Idade , Estudos Longitudinais , Adolescente , Emprego/estatística & dados numéricos , Adulto JovemRESUMO
BACKGROUND: Knowledge of the association between parental personality disorders and mental disorders in children is limited. To examine the association between parental personality disorders and the risk of mental disorders in offspring. METHODS: We linked Danish health registers to create a cohort of children born from January 1, 1995, to December 31, 2016. Children were followed until their 18th birthday, diagnosis set, emigration, death, or December 31, 2016. Parental personality disorders according to the International Classification of Diseases (ICD) Eighth or 10th Revision. Poisson regression analyses were used to estimate the incidence risk ratio (IRR) and cumulative incidence of ICD 10th mental disorders in offspring (age 0-17). RESULTS: The study cohort included 1,406,965 children. For girls, maternal or paternal personality disorder (MPD/PPD) was associated with mental disorders: MPD girls (IRR, 2.74; 95% CI, 2.59-2.89) and PPD girls (IRR, 2.10; 95% CI, 1.94-2.27). Likewise, the risk was increased for both MPD boys (IRR, 2.44; 95% CI, 2.33-2.56) and PPD boys (IRR, 2.04; 95% CI, 1.91-2.18). For girls and boys combined, exposure to two parents with a personality disorder was associated with the highest risk (IRR, 3.69; 95% CI, 3.15-4.33). At age 18, the cumulative incidence of any mental disorder in children of one or two parents with a personality disorder was 34.1% (95% CI, 33.0-35.1), which was twice the cumulative incidence of mental disorders in nonexposed children (15.2% [95% CI, 15.1-15.3]). CONCLUSION: Children of parents with a personality disorder were at a 2 to 3.5 times higher risk of mental disorders compared with nonexposed offspring. Possible mechanisms of transmission of mental disorders from parent to child involve genetic, environmental, and gene-environment pathways. More research into these mechanisms and research into preventive interventions is warranted.
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Transtornos Mentais , Transtornos da Personalidade , Adolescente , Criança , Pré-Escolar , Feminino , Humanos , Lactente , Recém-Nascido , Masculino , Estudos de Coortes , Dinamarca/epidemiologia , Pai , Transtornos Mentais/epidemiologia , Pais , Fatores de RiscoRESUMO
Onset of mental health disorder peaks during adolescence making continuity of care during this period of life crucial both to ensure a smooth treatment course and high quality of mental health services for adolescents. We aimed to examine which clinical and sociodemographic features predict transfer from child and adolescent mental health services to adult mental health services and if transfer is associated with prognosis. A Danish register study including all 16-17-year-olds with an outpatient contact in child and adolescent mental health services, who were discharged in the period of 1/1/06-10/05/15. Out of 27,170 Danish adolescents, 16% transferred to adult mental health services. Transfer was predicted by schizophrenia (OR 6.16; 95% CI 5.51-6.90) and personality disorders (OR 2.08; 95% CI 1.84-2.34), while hyperkinetic (OR 0.54; 95% CI 0.49-0.59) and pervasive developmental disorders (OR 0.42; 95% CI 0.31-0.58) decreased likelihood of transfer. Transfer was also substantially predicted by inpatient admission (OR 3.37; 95% CI 3.14-3.61) and psychiatric medication (OR 2.07; 95% CI 1.92-2.23). Transfer was associated with higher rates of inpatient admission to adult mental health services (IRR 5.83; 95% CI 4.37-7.77), more psychiatric emergency contacts (IRR 12.0; 95% CI 10.7-13.4), more convictions (IRR 1.40; 95% CI 1.23-1.59) and suicide attempts (IRR 5.70; 95% CI 4.72-6.90). Policy-makers and clinicians should push for improvements and open a discussion of how to ensure continuity of care for adolescents with psychiatric disorders.
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Transtornos Mentais , Serviços de Saúde Mental , Transição para Assistência do Adulto , Adolescente , Humanos , Estudos de Coortes , Dinamarca/epidemiologia , Transtornos Mentais/epidemiologia , Transtornos Mentais/terapia , Prognóstico , EsquizofreniaRESUMO
PURPOSE: Patients with schizophrenia or bipolar disorder are at increased risk of somatic illnesses and have more somatic complaints compared with the general population. Schizophrenia and bipolar disorder are highly heritable. Already during childhood, children at familial high risk of schizophrenia (FHR-SZ) or bipolar disorder (FHR-BD) are at increased risk of psychiatric disorders and cognitive and social impairments. Knowledge about physical conditions is sparse. MATERIALS AND METHODS: Through blood tests (n = 293), interviews, and questionnaires, we assessed inflammatory markers, somatic complaints, medication - and health care use in 11-year-old children at FHR-SZ, FHR-BD, and population-based controls (PBC). RESULTS: Children at FHR-SZ had higher concentrations of leucocytes (mean 6.41, SD 0.73) compared with PBC (mean 5.78, SD 0.27, p = 0.005) and of neutrophilocytes (FHR-SZ: mean 3.11, SD 1.32, PBC: mean 2.70, SD 0.96, p = 0.024). Compared with PBC (26.6%), more children at FHR-SZ (40.5%, p = 0.007) reported somatic complaints. So did caregivers and teachers to children at FHR-BD. Somatic complaints, higher concentrations of leucocytes, and neutrophilocytes were associated with lower levels of physical activity. Children at FHR-BD with psychiatric disorders reported more somatic complaints compared with those without. CONCLUSION: Children at FHR-SZ had higher concentrations of leucocytes and neutrophilocytes than PBC. Children at FHR-SZ or FHR-BP displayed more somatic complaints than controls. Our study highlights rarely explored disadvantage of being born to parents with schizophrenia or bipolar disorder. To enhance understanding of how physical conditions in childhood may interplay with later transition to mental disorders in children at FHR-SZ and FHR-BD, further research is needed.
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Transtorno Bipolar , Esquizofrenia , Humanos , Criança , Feminino , Masculino , Transtorno Bipolar/genética , Transtorno Bipolar/epidemiologia , Esquizofrenia/genética , Esquizofrenia/epidemiologia , Dinamarca/epidemiologia , Sintomas Inexplicáveis , Inflamação/sangue , Inflamação/genética , Biomarcadores/sangueRESUMO
BACKGROUND: Collaborative care (CC) and consultation liaison (CL) are two conceptual models aiming to improve mental healthcare in primary care. The effects of these models have not been compared in a Danish setting. AIMS: To examine the effects of CC versus CL for persons with anxiety and depression in Danish general practices (trial registration: NCT03113175 and NCT03113201). METHOD: Two randomised parallel superiority trials for anxiety disorders and depression were carried out in 2018-2019. In the CC-group, care managers collaborated with general practitioners (GPs) to provide evidence-based treatment according to structured treatment plans. They followed up and provided psychoeducation and/or cognitive-behavioural therapy. The GPs initiated pharmacological treatment if indicated, and a psychiatrist provided supervision. In the CL-group, the intervention consisted of the GP's usual treatment. However, the psychiatrist and care manager could be consulted. Primary outcomes were depression symptoms (Beck Depression Inventory-II, BDI-II) in the depression trial and anxiety symptoms (Beck Anxiety Inventory, BAI) in the anxiety trial at 6-month follow-up. RESULTS: In total, 302 participants with anxiety disorders and 389 participants with depression were included. A significant difference in BDI-II score was found in the depression trial, with larger symptom reductions in the CC-group (CC: 12.7, 95% CI 11.4-14.0; CL: 17.5, 95% CI 16.2-18.9; Cohen's d = -0.50, P ≤ 0.001). There was a significant difference in BAI in the anxiety trial (CC: 14.9, 95% CI 13.5-16.3; CL: 17.9, 95% CI 16.5-19.3; Cohen's d = -0.34, P ≤ 0.001), with larger symptom reductions in the CC-group. CONCLUSIONS: Collaborative care was an effective model to improve outcomes for persons with depression and anxiety disorders.
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Transtornos de Ansiedade , Depressão , Humanos , Depressão/terapia , Depressão/diagnóstico , Resultado do Tratamento , Transtornos de Ansiedade/terapia , Transtornos de Ansiedade/diagnóstico , Encaminhamento e Consulta , Dinamarca , Ensaios Clínicos Controlados Aleatórios como AssuntoRESUMO
BACKGROUND: Case studies have linked SARS-CoV-2 infection to suicidal behaviour. However, conclusive evidence is lacking. AIMS: To examine whether a history of SARS-CoV-2 infection or SARS-CoV-2-related hospital admission was associated with self-harm in the general population and in high-risk groups. METHOD: A cohort design was applied to nationwide data on all people aged ≥15 years and living in Denmark between 27 February 2020 and 15 October 2021. Exposure was identified as having had a positive SARS-CoV-2 PCR test, and further assessed as SARS-CoV-2-related hospital admission. Rates of probable self-harm were examined using adjusted incidence rate ratios (aIRRs). The following subgroups were identified: (a) lower educational level, (b) chronic medical conditions, (c) disability pension, (d) mental disorders, (e) substance use disorders, and history of (f) homelessness and (g) imprisonment. RESULTS: Among 4 412 248 included individuals, 260 663 (5.9%) had tested positive for SARS-CoV-2. Out of 5453 individuals presenting with self-harm, 131 (2.4%) had been infected. Individuals with a history of a positive SARS-CoV-2 test result had an aIRR for self-harm of 0.86 (95% CI 0.72-1.03) compared with those without. High rates were found after a SARS-CoV-2-related hospital admission (aIRR = 7.68; 95% CI 5.61-10.51) or a non-SARS-CoV-2-related admission (aIRR = 10.27; 95% CI 9.65-10.93) versus non-infected and not admitted. In sensitivity analyses with a more restrictive definition of self-harm, a positive PCR test was associated with lower rates of self-harm. CONCLUSIONS: Individuals with a PCR-confirmed SARS-CoV-2 infection did not have higher rates of self-harm than those without. Hospital admission in general, rather than being SARS-CoV-2 positive. seemed to be linked to elevated rates of self-harm.
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COVID-19 , Comportamento Autodestrutivo , Humanos , COVID-19/epidemiologia , Estudos de Coortes , SARS-CoV-2 , Comportamento Autodestrutivo/epidemiologia , Dinamarca/epidemiologiaRESUMO
BACKGROUND: Discontinuation of antipsychotic medication may be linked to high risk of relapse, hospitalization and mortality. This study investigated the use and discontinuation of antipsychotics in individuals with first-episode schizophrenia in relation to cohabitation, living with children, employment, hospital admission and death. METHODS: Danish registers were used to establish a nationwide cohort of individuals ⩾18 years with schizophrenia included at the time of diagnosis in1995-2013. Exposure was antipsychotic medication calculated using defined daily dose and redeemed prescriptions year 2-5. Outcomes year 5-6 were analysed using binary logistic, negative binomial and Cox proportional hazard regression. RESULTS: Among 21 351, 9.3% took antipsychotics continuously year 2-5, 38.6% took no antipsychotics, 3.4% sustained discontinuation and 48.7% discontinued and resumed treatment. At follow-up year 6, living with children or employment was significantly higher in individuals with sustained discontinuation (OR 1.98, 95% CI 1.53-2.56 and OR 2.60, 95% CI 1.91-3.54), non-sustained discontinuation (OR 1.25, 95% CI 1.05-1.48 and 2.04, 95% CI 1.64-2.53) and no antipsychotics (OR 2.00, 95% CI 1.69-2.38 and 5.64, 95% CI 4.56-6.97) compared to continuous users. Individuals with non-sustained discontinuation had more psychiatric hospital admissions (IRR 1.27, 95% CI 1.10-1.47) and longer admissions (IRR 1.68, 95% CI 1.30-2.16) year 5-6 compared to continuous users. Mortality during year 5-6 did not differ between groups. CONCLUSION: Most individuals with first-episode schizophrenia discontinued or took no antipsychotics the first years after diagnosis and had better functional outcomes. Non-sustained discontinuers had more, and longer admissions compared to continuous users. However, associations found could be either cause or effect.
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Antipsicóticos , Esquizofrenia , Criança , Humanos , Antipsicóticos/uso terapêutico , Esquizofrenia/tratamento farmacológico , Esquizofrenia/epidemiologia , Esquizofrenia/diagnóstico , Seguimentos , HospitalizaçãoRESUMO
BACKGROUND: Substance-induced psychosis (SIP) is a serious condition and may predispose for schizophrenia. We know too little about SIP incidence over time and across countries, including substance-specific SIPs. We estimated annual incidence rate of SIP in Denmark, Norway, and Sweden according to substance, age, gender, and socioeconomic background. METHODS: Data were drawn from registries covering the whole adult population in the countries. Annual incidence rate per 100 000 persons of SIPs was estimated for Denmark and Sweden from 2000 to 2016 and for Norway from 2010 to 2015. RESULTS: The annual incidence rate of any SIP fluctuated between 9.3 and 14.1. The most commonly occurring SIPs were those induced by alcohol, cannabis, amphetamines, and multiple substances. There was a steady decrease in the incidence rate of alcohol-induced psychosis from the first to the last year of the observation period in Denmark (from 4.9 to 1.5) and Sweden (from 4.5 to 2.2). The incidence rate of cannabis-induced psychosis increased in all countries, from 2.6 to 5.6 in Denmark, from 0.8 to 2.7 in Sweden, and from 1.8 to 3.0 in Norway. Median age of any SIP decreased in Denmark (from 36 to 29 years) and Sweden (from 41 to 31 years). Incidence rates were higher in men and in individuals on disability pension, and increased more among those with high parental education. CONCLUSIONS: We found similar and stable incidence rates of any SIP in all Scandinavian countries through the observation period. The incidence of alcohol-induced psychosis decreased. The incidence of cannabis-induced psychosis increased.
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Abuso de Maconha , Psicoses Induzidas por Substâncias , Esquizofrenia , Adulto , Masculino , Humanos , Psicoses Induzidas por Substâncias/epidemiologia , Incidência , Países Escandinavos e Nórdicos/epidemiologia , Esquizofrenia/epidemiologia , Esquizofrenia/induzido quimicamente , Noruega/epidemiologia , Suécia/epidemiologia , Dinamarca/epidemiologiaRESUMO
BACKGROUND: Previous research suggests an increase in schizophrenia population attributable risk fraction (PARF) for cannabis use disorder (CUD). However, sex and age variations in CUD and schizophrenia suggest the importance of examining differences in PARFs in sex and age subgroups. METHODS: We conducted a nationwide Danish register-based cohort study including all individuals aged 16-49 at some point during 1972-2021. CUD and schizophrenia status was obtained from the registers. Hazard ratios (HR), incidence risk ratios (IRR), and PARFs were estimated. Joinpoint analyses were applied to sex-specific PARFs. RESULTS: We examined 6 907 859 individuals with 45 327 cases of incident schizophrenia during follow-up across 129 521 260 person-years. The overall adjusted HR (aHR) for CUD on schizophrenia was slightly higher among males (aHR = 2.42, 95% CI 2.33-2.52) than females (aHR = 2.02, 95% CI 1.89-2.17); however, among 16-20-year-olds, the adjusted IRR (aIRR) for males was more than twice that for females (males: aIRR = 3.84, 95% CI 3.43-4.29; females: aIRR = 1.81, 95% CI 1.53-2.15). During 1972-2021, the annual average percentage change in PARFs for CUD in schizophrenia incidence was 4.8 among males (95% CI 4.3-5.3; p < 0.0001) and 3.2 among females (95% CI 2.5-3.8; p < 0.0001). In 2021, among males, PARF was 15%; among females, it was around 4%. CONCLUSIONS: Young males might be particularly susceptible to the effects of cannabis on schizophrenia. At a population level, assuming causality, one-fifth of cases of schizophrenia among young males might be prevented by averting CUD. Results highlight the importance of early detection and treatment of CUD and policy decisions regarding cannabis use and access, particularly for 16-25-year-olds.
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Cannabis , Abuso de Maconha , Esquizofrenia , Transtornos Relacionados ao Uso de Substâncias , Masculino , Humanos , Feminino , Esquizofrenia/epidemiologia , Esquizofrenia/complicações , Abuso de Maconha/epidemiologia , Abuso de Maconha/complicações , Estudos de Coortes , Transtornos Relacionados ao Uso de Substâncias/complicaçõesRESUMO
BACKGROUND: Exposure to adversities in early childhood is associated with psychotic experiences and disorders in adulthood. We aimed to examine whether early childhood adversities are associated with middle childhood psychotic experiences in a cohort of children at familial high risk of schizophrenia (FHR-SZ), bipolar disorder (FHR-BP) and population-based controls (controls). METHODS: Four hundred and forty-six children from The Danish High Risk and Resilience Study - VIA7 and VIA11 participated in this study (FHR-SZ = 170; FHR-BP = 103; controls = 173). Exposure to early childhood adversities and psychotic experiences were assessed using face-to-face interviews. Having childhood adversities assessed at baseline (age 7) was used as predictor. Psychotic experiences assessed at follow-up (age 11) were used as outcome. RESULTS: Across the sample, exposure to early childhood interpersonal adversities was associated with an increased risk for any middle childhood psychotic experiences and subclinical delusions when adjusting for relevant confounders (OR 1.8, 95% CI 1.0-3.1, p = 0.05; OR 3.0, 95% CI 1.6-5.6, p < 0.001). There was no significant dose-response effect of exposure to multiple types of childhood adversities on any psychotic experiences. There were no interaction effects between early childhood adversities and FHR on middle childhood psychotic experiences. Exploratory analyses revealed that experiencing domestic violence in early childhood was associated with any middle childhood psychotic experiences (OR 2.8, 95% CI 1.5-5.1, p = 0.001). CONCLUSIONS: Exposure to interpersonal adversities during early childhood is associated with an increased risk for middle childhood psychotic experiences including specifically subclinical delusions. Future studies should examine associations between exposure to childhood adversities and conversion to psychosis within this cohort.
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BACKGROUND: The home environment has a major impact on child development. Parental severe mental illness can pose a challenge to the home environment of a child. We aimed to examine the home environment of children of parents with schizophrenia or bipolar disorder and controls longitudinally through at-home assessments. METHODS: Assessments were conducted within The Danish High Risk and Resilience Study, a nationwide multi-center cohort study of children of parents with schizophrenia or bipolar disorder and population-based controls. The level of at-home stimulation and support was measured at age 7 (N = 508 children) and age 11 (N = 430 children) with the semi-structured HOME Inventory. Results from the 11-year follow-up study were analyzed and compared with 7-year baseline results to examine change across groups. RESULTS: At age 11, children of parents with schizophrenia and bipolar disorder had lower levels of stimulation and support than controls (mean (s.d.) = 46.16 (5.56), 46.87 (5.34) and 49.25 (4.37) respectively, p < 0.001). A higher proportion of children with parental schizophrenia or bipolar disorder lived in inadequate home environments at age 11, compared with controls (N (%) = 24 (15.0), 12 (12.2) and 6 (3.5) respectively, p < 0.003). The changes in home environment scores did not differ across groups from age 7 to age 11. CONCLUSIONS: Assessed longitudinally from the children's age of 7 to 11, children of parents with schizophrenia or bipolar disorder had lower levels of stimulation and support in their homes than controls. Integrated support which can target practical, economic, social and health issues to improve the home environment is indicated.
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Transtorno Bipolar , Esquizofrenia , Criança , Humanos , Esquizofrenia/epidemiologia , Seguimentos , Ambiente Domiciliar , Estudos de Coortes , Pais , Dinamarca/epidemiologiaRESUMO
BACKGROUND: Research has linked homelessness with an increased risk of skin conditions. However, representative studies of diagnosis-specific information on skin conditions in people experiencing homelessness are lacking. OBJECTIVES: To examine the association between homelessness and diagnosed skin conditions, prescribed medication and type of -consultation. METHODS: This cohort study included data from the Danish nationwide health, social and administrative registers from 1 January 1999 to 31 December 2018. All people of Danish origin living in Denmark and aged at least 15â years at some point during the study period were included. Homelessness, measured by homeless shelter contacts, was the exposure. The outcome was any diagnosis of a skin disorder and specific skin disorders recorded in the Danish National Patient Register. Information on diagnostic consultation type (i.e. dermatological, nondermatological and emergency room) and dermatological prescriptions was studied. We estimated adjusted incidence rate ratio (aIRR) (adjusted for sex, age and calendar year) and cumulative incidence. RESULTS: In total, 5 054 238 individuals (50.6% female) were included in the study population, accounting for 73 477 258 person-years at risk, with a start mean (SD) age of 39.4 (21.1) years. Of the total number of individuals, 759 991 (15.0%) received a skin diagnosis and 38 071 (0.7%) experienced homelessness. A 2.31-times [95% confidence interval (CI) 2.25-2.36] higher IRR of any diagnosed skin condition was associated with homelessness, higher for nondermatological and emergency room consultations. Homelessness was associated with a reduced IRR of a skin neoplasm diagnosis (aIRR 0.76, 95% CI 0.71-8.82) compared with no homelessness. By the end of follow-up, 2.8% (95% CI 2.5-3.0) of individuals experiencing homelessness had a skin neoplasm diagnosis vs. 5.1% (95% CI 4.9-5.3) of individuals not experiencing homelessness. Five or more shelter contacts during the first year from first contact was associated with the highest aIRR of any diagnosed skin condition (7.33, 95% CI 5.57-9.65) compared with no contacts. CONCLUSIONS: Individuals experiencing homelessness have high rates of most diagnosed skin conditions, but a lower occurrence of skin cancer diagnosis. Diagnostic and medical patterns for skin disorders differed clearly between people experiencing homelessness and individuals without these experiences. The time after first homeless shelter contact is an important window of opportunity for mitigating and preventing skin disorders.
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Pessoas Mal Alojadas , Neoplasias Cutâneas , Humanos , Feminino , Masculino , Estudos de Coortes , Sistema de Registros , Neoplasias Cutâneas/diagnóstico , Neoplasias Cutâneas/epidemiologia , Dinamarca/epidemiologiaRESUMO
BACKGROUND: Activity and participation are critical to health and wellbeing. Limited evidence exists on how to support people with mental illness in participating in everyday activities. AIM: To investigate the effectiveness of Meaningful Activities and Recovery (MA&R), a co-led peer occupational therapy intervention focusing on activity engagement, functioning, quality of life, and personal recovery. METHODS: In a statistician blinded, multicenter RCT including 139 participants from seven community and municipal mental health services in Denmark, participants were randomly assigned to 1) MA&R and standard mental health care or 2) standard mental health care. The MA&R intervention lasted 8 months and consisted of 11 group sessions, 11 individual sessions, and support to engage in activities. The primary outcome, activity engagement, was measured using Profile of Occupational Engagement in People with Severe Mental Illness (POES-S). Outcomes were measured at baseline and post-intervention follow-up. RESULTS: Meaningful Activities and Recovery was delivered with high fidelity and 83% completed the intervention. It did not demonstrate superiority to standard mental health care, as intention-to treat analysis revealed no significant differences between the groups in activity engagement or any of the secondary outcomes. CONCLUSION: We did not find positive effects of MA&R, possibly because of COVID-19 and related restrictions. Fidelity assessments and adherence rates suggest that MA&R is feasible and acceptable. However, future studies should focus on refining the intervention before investigating its effectiveness. TRIAL REGISTRATION: The trial was registered 24/05/2019 at ClinicalTrials.gov NCT03963245.
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COVID-19 , Transtornos Mentais , Terapia Ocupacional , Humanos , Qualidade de Vida , Resultado do Tratamento , Transtornos Mentais/terapia , Transtornos Mentais/psicologiaRESUMO
This study investigates indicators of disorganized caregiving among caregivers of children who have a familial predisposition of schizophrenia spectrum psychosis (SZ) or bipolar disorder (BP), and whether indicators of disorganized caregiving are associated with the caregivers' and children's level of functioning as well as the children's internalizing and externalizing behavior problems. Indicators of disorganized caregiving were assessed with the Caregiving Helplessness Questionnaire (CHQ). Level of functioning was evaluated using the Children's Global Assessment Scale and the Personal and Social Performance Scale, while dimensional psychopathology were measured with the Child Behavior Checklist. 185 caregivers belonging to a SZ combined group (i.e., SZ-I + SZ co-caregiver), 110 caregivers to a BP combined group (i.e., BP-I + BP co-caregiver), and 184 caregivers to a population-based control group provided data on CHQ. Having a history of SZ or BP or being a co-caregiver to a parent with SZ or BP was associated with higher levels of experiences of helplessness and fear. Higher scores on helplessness were associated with lower level of functioning among caregivers and children and with children having externalizing/internalizing behavior problems. These results emphasize the need for interventions addressing indicators of disorganized caregiving in families with SZ or BP.
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Transtorno Bipolar , Transtornos Mentais , Criança , Humanos , Cuidadores , Medo , DinamarcaRESUMO
PURPOSE: Knowledge about predictors of return to work (RTW) in people on sick leave with common mental disorders (CMDs) may inform the development of effective vocational rehabilitation interventions for this target group. In this study, we investigated predictors of RTW at 6 and 12 months in people on sick leave with depression, anxiety disorders or stress-related disorders. METHODS: We have performed a secondary analysis, utilizing data from two RCTs that evaluated the efficacy of an integrated health care and vocational rehabilitation intervention. Data were obtained from mental health assessments, questionnaires and registers. Using Cox regression analysis, the relationship between baseline variables and RTW was analysed at 6 and 12 months after randomization within the group of CMD as a whole and within the subgroups of depression, anxiety and stress-related disorders. RESULTS: Symptom burden and employment status at baseline predicted RTW in the CMD group (n = 1245) and in the three diagnostic subgroups at both time points. RTW self-efficacy predicted RTW in the depression group but not in the anxiety or stress subgroups. CONCLUSION: Many predictors of RTW were similar over time and, to some extent, across the CMD subgroups. Findings highlight the need not only to take health-related and psychological factors into account when developing vocational rehabilitation interventions but also to consider workplace strategies and options for support.
Assuntos
Transtornos Mentais , Retorno ao Trabalho , Humanos , Retorno ao Trabalho/psicologia , Depressão , Licença Médica , Emprego , Transtornos Mentais/psicologia , Transtornos de Ansiedade , AnsiedadeRESUMO
PURPOSE: Knowledge about representativity of familial high-risk studies of schizophrenia and bipolar disorder is essential to generalize study conclusions. The Danish High Risk and Resilience Study (VIA 7), a population-based case-control familial high-risk study, creates a unique opportunity for combining assessment and register data to examine cohort representativity. METHODS: Through national registers, we identified the population of 11,959 children of parents with schizophrenia (FHR-SZ) or bipolar disorder (FHR-BP) and controls from which the 522 children participating in The VIA 7 Study (202 FHR-SZ, 120 FHR-BP and 200 controls) were selected. Socio-economic and health data were obtained to compare high-risk groups and controls, and participants versus non-participants. Selection bias impact on results was analyzed through inverse probability weights. RESULTS: In the total sample of 11,959 children, FHR-SZ and FHR-BP children had more socio-economic and health disadvantages than controls (p < 0.001 for most). VIA 7 non-participants had a poorer function, e.g. more paternal somatic and mental illness (p = 0.02 and p = 0.04 for FHR-SZ), notifications of concern (FHR-BP and PBC p < 0.001), placements out of home (p = 0.03 for FHR-SZ), and lower level of education (p ≤ 0.01 for maternal FHR-SZ and FHR-BP, p = 0.001 for paternal FHR-BP). Inverse probability weighted analyses of results generated from the VIA Study showed minor changes in study findings after adjustment for the found selection bias. CONCLUSIONS: Familial high-risk families have multiple socio-economic and health disadvantages. In The VIA 7 Study, although comparable regarding mental illness severity after their child's birth, socioeconomic and health disadvantages are more profound amongst non-participants than amongst participants.